Histogram of Survival Times for Treatment 1 Frequency 151 10t 5- 10 Survival times 00 Summary statistics: Column Variance Std. dev. Std. err. Median Range Min Max Q1 Q3 2 Mean Treatment 1 49 2.9387755 3.8503401 1.9622284 0.28031834 4 1.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Fill in the Blanks: Applying Chebyshev's Rule to this distribution, we estimate that 75% or more of women with metastatic breast cancer will survive between __________ and __________ years (2 standard deviations from the
![Histogram of Survival Times for Treatment 1
Frequency
151
10t
5-
10
Survival times
00](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4442286d-a35f-49e6-91db-f9b4b703f182%2Feab24b18-6f64-4225-95b6-ee814353a090%2Fjrg26.png&w=3840&q=75)
![Summary statistics:
Column
Variance
Std. dev.
Std. err.
Median Range Min Max Q1 Q3
2
Mean
Treatment 1 49 2.9387755 3.8503401 1.9622284 0.28031834
4
1.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4442286d-a35f-49e6-91db-f9b4b703f182%2Feab24b18-6f64-4225-95b6-ee814353a090%2F1h3xjh.jpeg&w=3840&q=75)
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